A visit — yours or an inspector's — is the surest check on a new supplier. Send a date and what you want to see; the request reaches them as an enquiry you can track.
Address
Building A10-1#A10-2#, China Nanshan Gangji Intelligent Manufacturing Park, No. 8 Hehuai Road, Gangji Town, Changfeng County, Hefei City, Anhui Province